diff --git a/.github/workflows/code-scanning.yml b/.github/workflows/code-scanning.yml
index 22bda4e..8488b3f 100644
--- a/.github/workflows/code-scanning.yml
+++ b/.github/workflows/code-scanning.yml
@@ -19,7 +19,7 @@ jobs:
           - ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v3.3.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.3.0
         with:
           token: '${{ secrets.GITHUB_TOKEN }}'
           fetch-depth: 0
@@ -50,7 +50,7 @@ jobs:
       security-events: write
     steps:
       - name: Clone repo
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v3.3.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.3.0
         with:
           token: '${{ secrets.GITHUB_TOKEN }}'
           fetch-depth: 0
@@ -72,7 +72,7 @@ jobs:
       security-events: write
     steps:
       - name: Checkout repo
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v3.3.0
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v3.3.0
         with:
           token: '${{ secrets.GITHUB_TOKEN }}'
           fetch-depth: 0
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 99d8772..3f209ec 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Dependency Review
         uses: actions/dependency-review-action@v3
         with:
diff --git a/.github/workflows/format-code.yml b/.github/workflows/format-code.yml
index c5c3a1e..28afe08 100644
--- a/.github/workflows/format-code.yml
+++ b/.github/workflows/format-code.yml
@@ -8,7 +8,7 @@ jobs:
   format-code:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: ministryofjustice/github-actions/code-formatter@v14
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/scanner.yml b/.github/workflows/scanner.yml
index 52dbc4d..2364213 100644
--- a/.github/workflows/scanner.yml
+++ b/.github/workflows/scanner.yml
@@ -12,5 +12,5 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: ministryofjustice/modernisation-platform-incident-response@latest